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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #library('file_system_node'); | 5 #library('file_system_node'); |
6 | 6 |
7 #import('file_system.dart'); | 7 #import('file_system.dart'); |
8 #import('lib/node/node.dart'); | 8 #import('lib/node/node.dart'); |
9 | 9 |
10 /** File system implementation using nodejs api's (for self-hosted compiler). */ | 10 /** File system implementation using nodejs api's (for self-hosted compiler). */ |
11 class NodeFileSystem implements FileSystem { | 11 class NodeFileSystem implements FileSystem { |
12 void writeString(String outfile, String text) { | 12 void writeString(String outfile, String text) { |
13 fs.writeFileSync(outfile, text); | 13 fs.writeFileSync(outfile, text); |
14 } | 14 } |
15 | 15 |
16 String readAll(String filename) { | 16 String readAll(String filename) { |
17 return fs.readFileSync(filename, 'utf8'); | 17 return fs.readFileSync(filename, 'utf8'); |
18 } | 18 } |
19 | 19 |
20 bool fileExists(String filename) { | 20 bool fileExists(String filename) { |
21 return path.existsSync(filename); | 21 return path.existsSync(filename); |
22 } | 22 } |
| 23 |
| 24 void createDirectory(String path, [bool recursive = false]) { |
| 25 if (!recursive) { |
| 26 fs.mkdirSync(path); |
| 27 return; |
| 28 } |
| 29 |
| 30 // See how much of the path already exists and how much we need to create. |
| 31 final parts = path.split('/'); |
| 32 var existing = '.'; |
| 33 var part; |
| 34 for (part = 0; part < parts.length; part++) { |
| 35 final subpath = joinPaths(existing, parts[part]); |
| 36 |
| 37 try { |
| 38 final stat = fs.statSync(subpath); |
| 39 |
| 40 if (stat.isDirectory()) { |
| 41 existing = subpath; |
| 42 } else { |
| 43 throw 'Cannot create directory $path because $existing exists and ' + |
| 44 'is not a directory.'; |
| 45 } |
| 46 } catch (e) { |
| 47 // Ugly hack. We only want to catch ENOENT exceptions from fs.statSync |
| 48 // which means the path we're trying doesn't exist. Since this is coming |
| 49 // from node, we can't check the exception's type. |
| 50 if (e.toString().indexOf('ENOENT', 0) != -1) break; |
| 51 |
| 52 // Re-throw any other exceptions. |
| 53 throw e; |
| 54 } |
| 55 } |
| 56 |
| 57 // Create the remaining directories. |
| 58 for (; part < parts.length; part++) { |
| 59 existing = joinPaths(existing, parts[part]); |
| 60 fs.mkdirSync(existing); |
| 61 } |
| 62 } |
| 63 |
| 64 void removeDirectory(String path, [bool recursive = false]) { |
| 65 if (recursive) { |
| 66 // Remove the contents first. |
| 67 for (final file in fs.readdirSync(path)) { |
| 68 final subpath = joinPaths(path, file); |
| 69 final stat = fs.statSync(subpath); |
| 70 |
| 71 if (stat.isDirectory()) { |
| 72 // Recurse into subdirectories. |
| 73 removeDirectory(subpath, recursive: true); |
| 74 } else if (stat.isFile()) { |
| 75 // Try to remove the file. |
| 76 fs.unlinkSync(subpath); |
| 77 } |
| 78 } |
| 79 } |
| 80 |
| 81 fs.rmdirSync(path); |
| 82 } |
23 } | 83 } |
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